Electric motor and/or transmission

Abstract

An electric motor and/or a transmission consisting of an input shaft, an output shaft, and a case provided with a centering flange and/or a fixing flange. At least one extension sensor is allocated to the case.

1. Transmission comprising a driveshaft ( 3 ), an output shaft ( 4 ) and a housing ( 1 ) including a centering flange ( 5 ) and an attachment flange ( 6 ), the housing ( 1 ) is provided with at least one electronic display system ( 11 ), wherein the electronic display system ( 11 ) is connected to a plurality of sensors ( 13 ) distributed radially around the housing comprising strain sensors, force sensors, temperature sensors and, incremental sensor, assigned to a transmission, permissible values and limiting values such as force, temperature, service life, number of revolutions are visually displayed and read off on the electronic display system ( 11 ) wherein the values which are generated in the electronic display system ( 11 ), are transmitted in a wireless fashion to an external evaluation device ( 10 ), wherein the housing is provided with a radially circumferential constriction ( 19 ) and a plurality of the strain sensors are arranged separated from one another radially around the circumferential constriction. 
   
   
     2. Transmission according to  claim 1 , wherein the centering flange ( 5 ) has at least one radially circumferential groove ( 15 ) in which at least one damping element ( 14 ) is located. 
   
   
     3. Transmission according to  claim 1 , wherein the plurality of strain sensors ( 9 ) are distributed radially around the attachment flange ( 6 ) in the region of the housing ( 1 ), opposite the centering flange ( 5 ). 
   
   
     4. Transmission according to  claim 1 , wherein the attachment flange ( 6 ) is spaced apart coaxially from an outer casing ( 20 ) of the housing ( 1 ) by a radial indent ( 18 ). 
   
   
     5. Transmission according to  claim 4 , wherein the attachment flange ( 6 ) is provided with the radially circumferential constriction ( 19 ) proximate to the indent ( 18 ) and at least one strain sensor ( 9 ) is accommodated in the constriction ( 19 ). 
   
   
     6. Transmission according to  claim 4 , wherein a damping element ( 14 ) is inserted into the radial indent ( 18 ) and comprises an elastically deformable rubber element. 
   
   
     7. Transmission according to  claim 6 , wherein the damping element ( 14 ) comprises an O ring ( 17 ). 
   
   
     8. Transmission according to  claim 7 , wherein a plurality of circumferential grooves ( 16 ), which are spaced apart from one another and parallel to each other, are provided on the centering flange ( 5 ) and each is provided with a damping element ( 14 ). 
   
   
     9. Transmission according to  claim 6 , wherein the damping element ( 14 ) projects outward beyond an outer casing of the centering flange ( 5 ). 
   
   
     10. Transmission according to  claim 1 , wherein at least one strain sensor ( 9 ) comprises a strain gauge connected to an evaluation unit ( 10 ) and an electronic display system ( 11 ). 
   
   
     11. Transmission according to  claim 10 , wherein radial forces are determined with the at least one strain sensor ( 9 ) and when a predefined limiting value is exceeded, a signal is generated and displayed in the electronic display system ( 11 ). 
   
   
     12. Transmission according to  claim 11 , wherein the signals which are generated by the at least one strain sensor ( 9 ) are recorded over time, stored in the evaluation unit ( 10 ) and, saved in the electronic display system ( 11 ). 
   
   
     13. Transmission according to  claim 12 , wherein the at least one electronic display system ( 11 ) is assigned to a base flange ( 2 ) of the housing ( 1 ). 
   
   
     14. Transmission according to  claim 11 , wherein transmission-specific data including force, temperature, transit time, and number of revolutions is displayed by the display unit ( 12 ). 
   
   
     15. Transmission comprising a driveshaft ( 3 ), an output shaft ( 4 ) and a housing ( 1 ) including a centering flange ( 5 ) and an attachment flange ( 6 ), the housing ( 1 ) is provided with a plurality of strain sensors ( 9 ), wherein the housing ( 1 ) is provided with a radially circumferential constriction ( 19 ) near to the attachment flange ( 6 ) and a plurality of the strain sensors ( 9 ) are arranged in the circumferential constriction ( 19 ) and are attached to the housing in the circumferential constriction ( 19 ) for measuring forces and torques acting on the transmission housing ( 1 ). 
   
   
     16. Transmission according to  claim 15 , wherein the attachment flange ( 6 ) is spaced apart coaxially from an outer casing ( 20 ) of the housing ( 1 ) by a radial indent ( 18 ). 
   
   
     17. Transmission according to  claim 16 , wherein the attachment flange ( 6 ) is provided with the radially circumferential constriction ( 19 ) proximate to the indent ( 18 ) and at least one strain sensor ( 9 ) is accommodated in the constriction ( 19 ). 
   
   
     18. Transmission according to  claim 16 , wherein a damping element ( 14 ) is inserted into the radial indent ( 18 ) and comprises an elastically deformable rubber element. 
   
   
     19. Transmission according to  claim 18 , wherein the damping element ( 14 ) comprises an O ring ( 17 ). 
   
   
     20. Transmission according to  claim 15 , wherein at least one strain sensor ( 9 ) comprises a strain gauge connected to an evaluation unit ( 10 ) and an electronic display system ( 11 ). 
   
   
     21. Transmission according to  claim 20 , wherein radial forces are determined with the strain sensors ( 9 ) and when a predefined limiting value is exceeded, a signal is generated and displayed in an electronic display system ( 11 ). 
   
   
     22. Transmission according to  claim 21 , wherein the signals which are generated by the at least one strain sensor ( 9 ) are recorded over time, stored in an evaluation unit ( 10 ) and, saved in the electronic display system ( 11 ). 
   
   
     23. Transmission according to  claim 22 , wherein the at least one electronic display system ( 11 ) is assigned to a base flange ( 2 ) of the housing ( 1 ).